diff --git a/src/libespeak-ng/error.c b/src/libespeak-ng/error.c
index 6b436076..ac5f830d 100644
--- a/src/libespeak-ng/error.c
+++ b/src/libespeak-ng/error.c
@@ -19,9 +19,9 @@
 #include "config.h"
 
 #include <errno.h>
-#include <malloc.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 #include <espeak-ng/espeak_ng.h>